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ACPI / PM: Add more run-time wake-up fields

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Use the run_wake flag to mark all devices for which run-time wake-up
events may be generated by the platform.  Introduce a new wake-up
flag, always_enabled, for marking devices that should be permanently
enabled to generate run-time events.  Also, introduce a reference
counter for run-wake devices and a function that will initialize all
of the run-time wake-up fields for given device.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Rafael J. Wysocki
2010-02-17 23:41:49 +01:00
committed by Jesse Barnes
parent 9630bdd9b1
commit f517709d65
4 changed files with 33 additions and 11 deletions
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2
include/acpi/acpi_bus.h
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@@ -242,6 +242,7 @@ struct acpi_device_perf {
struct acpi_device_wakeup_flags {
u8 valid:1; /* Can successfully enable wakeup? */
u8 run_wake:1; /* Run-Wake GPE devices */
u8 always_enabled:1; /* Run-wake devices that are always enabled */
};
struct acpi_device_wakeup_state {
@@ -256,6 +257,7 @@ struct acpi_device_wakeup {
struct acpi_device_wakeup_state state;
struct acpi_device_wakeup_flags flags;
int prepare_count;
int run_wake_count;
};
/* Device */